Ranked by PSR score · Nov 2026

Best Selank Vendors

80 vendors we track carry Selank. The 56 that pass our testing gate are ranked below by PSR score, with the certificate each one posts for Selank, a price matched at 10mg and any reader code. For laboratory research use only.

Carry it
80

Carry it

Pass testing gate
56

Pass testing gate

Lab-confirmed COAs
44

Lab-confirmed COAs

Want every carrier ordered by its Selank certificate instead, with sizes and stock? See the full Selank comparison. How a score is built: How we rate. How to check a certificate yourself: how to read a peptide COA.

Top 3 Selank vendors by PSR score

The highest PSR scores among open stores that carry Selank and pass our testing gate. Affiliate status plays no part in this list.

Affiliate links: we may earn a commission if you buy. It never changes a score or rank.

  1. #1 by PSR score

    Southern Aminos
    8.09Strong
    Certificate
    View COA (key not found at lab) (opens in new tab)
    Lab
    Freedom Diagnostics TestingTier A
    Purity
    99.91%
    Tested
    Price
    $3.52/mg ($35.20 for 10mg)
  2. #2 by PSR score

    Amino Club
    8.02Strong
    Certificate
    Verified (opens in new tab)
    Lab
    ILS LaboratoriesTier B+
    Purity
    99.49%
    Tested
    Price
    $3.00/mg ($29.95 for 10mg)
  3. #3 by PSR score

    DAAVY Research
    8.01Strong
    Certificate
    Verified (opens in new tab)
    Lab
    BioviridianTier A-
    Purity
    99.64%
    Tested
    Price
    $4.50/mg ($45.00 for 10mg)

Best Selank vendors with a reader discount

Affiliate partners that pass the testing gate and give readers a code that applies to Selank, in PSR score order. This block is a convenience only: the ranking below is the same with or without it.

Affiliate links: we may earn a commission if you buy. It never changes a score or rank.

Every Selank vendor that passes the gate, by PSR score

56 vendors, highest PSR score first; equal scores are listed alphabetically. Price per mg is matched at 10mg, the size most carriers sell, so vials compare like for like. The certificate column is the vendor’s certificate for Selank only. Affiliate status never affects the order (how we keep it separate).

Affiliate links: we may earn a commission if you buy. It never changes a score or rank.

Selank vendors that pass the testing gate, by PSR score
#VendorPSR scoreSelank certificate$/mg at 10mgReader codeLinks
1Southern Aminos8.09StrongView (key not found) (opens in new tab)$3.52/mgShop →
2Amino Club8.02StrongVerified (opens in new tab)$3.00/mgShop →
3DAAVY Research8.01StrongVerified (opens in new tab)$4.50/mgShop →
4Luv Aminos7.90StrongVerified (opens in new tab)No 10mgShop →
5Modern Aminos7.88StrongVerified (opens in new tab)$4.50/mgShop →
6Pure Health Peptides7.88StrongVerified (opens in new tab)$4.40/mgShop →
7Ameano Peptides7.80StrongVerified (opens in new tab)$4.40/mgShop →
8Amino USA7.78StrongVerified (opens in new tab)$5.00/mgShop →
9S1Research7.75StrongVerified (opens in new tab)$3.50/mgShop →
10LabFirst Peptides7.73StrongVerified (opens in new tab)No 10mgShop →
11Loti Labs7.68StrongVerified (opens in new tab)$5.00/mgShop →
12Protide Health7.67StrongVerified (opens in new tab)$6.50/mgShop →
13Ascension Peptides7.55StrongVerified (opens in new tab)$5.00/mgShop →
14Felix Chemical Supply7.51StrongVerified (opens in new tab)$3.50/mgShop →
15Onyx Biolabs7.45StrongVerified (opens in new tab)$3.60/mgShop →
16Direct Peptides7.43StrongVerified (opens in new tab)$8.90/mgShop →
17Honest Peptide7.42StrongVerified (opens in new tab)$4.50/mgShop →
18Bluum Peptides7.37StrongVerified (opens in new tab)$3.90/mgShop →
19Oasis Labs7.30StrongVerified (opens in new tab)$4.80/mgShop →
20BioLongevity Labs7.24StrongView (key not found) (opens in new tab)No 10mgShop →
21Peptides Source7.17StrongVerified (opens in new tab)$5.00/mgShop →
22Pacific Edge Labs7.15StrongVerified (opens in new tab)$7.00/mgShop →
23Prime Peptide Solutions7.14StrongView (opens in new tab)$4.50/mgShop →
24Paramount Peptides7.12StrongVerified (opens in new tab)$6.80/mgShop →
25StudzPeptides6.99FairVerified (opens in new tab)$2.70/mgShop →
26Arctic Lab Supply6.98FairNoneNo third-party COA was publicly available at audit timeNo price listedShop →
27Limitless Biotech6.97FairVerified (opens in new tab)No 10mgShop →
28NuuVive Peptides6.93FairVerified (opens in new tab)$6.00/mgShop →
29NovaForge Labs6.89FairVerified (opens in new tab)No price listedShop →
30Rogue Compounds6.88FairVerified (opens in new tab)$5.50/mgShop →
31Sports Technology Labs6.88FairVerified (opens in new tab)No 10mgShop →
32VoriLabs6.87FairView (opens in new tab)$4.60/mgShop →
33Profound Aminos6.65FairVerified (opens in new tab)$3.70/mgShop →
34Peptyes6.55FairVerified (opens in new tab)$6.00/mgShop →
35Core Peptides6.54FairNoneNo third-party COA was publicly available at audit time$5.20/mgShop →
36FRO Peptides6.50FairVerified (opens in new tab)No 10mgShop →
37BulkGLP6.49FairVerified (opens in new tab)$5.50/mgShop →
38Pinnacle Peptide Labs6.44FairVerified (opens in new tab)$5.00/mgShop →
39NuScience Peptides6.43FairView (key not found) (opens in new tab)$4.50/mgShop →
40JD BioWorks6.34FairVerified (opens in new tab)$7.00/mgShop →
41NextSelf Labs6.26FairVerified (opens in new tab)$5.00/mgShop →
42GhostLabz6.14FairVerified (opens in new tab)$4.50/mgShop →
43Hello Stacks6.14FairNoneNo third-party COA was publicly available at audit time$4.50/mgShop →
44Research Peptides Lab6.14FairVerified (opens in new tab)$6.00/mgShop →
45OMNI Peptides6.08FairVerified (opens in new tab)No 10mgShop →
46Bionova Peptides6.03FairVerified (opens in new tab)$3.00/mgShop →
47NextGen Peps5.95FairNoneNo third-party COA was publicly available at audit timeOut of stockShop →
48AminoWave Labs5.87FairView COA (reports a fail) (opens in new tab)$4.00/mgShop →
49Biotech Peptides5.79FairVendor-issued (opens in new tab)$4.60/mgShop →
50AminoVault5.78FairView COA (differs from lab copy) (opens in new tab)$7.05/mgShop →
51Raw Amino5.70FairVerified (opens in new tab)$5.10/mgShop →
52Peptide Pro5.60FairView COA (differs from lab copy) (opens in new tab)$5.95/mgShop →
53Vortex Research5.50FairVerified (opens in new tab)$3.00/mgShop →
54Azyrion Labs5.45WeakVerified (opens in new tab)$7.00/mgShop →
55Delix Labs4.58WeakNoneNo third-party COA was publicly available at audit time$6.20/mgShop →
56Cernum Biosciences4.50WeakVerified (opens in new tab)$8.70/mgShop →

Listed separately: 24 vendors outside the ranking

These carry Selank but do not meet our testing gate, so they are never placed in the ranking above, whatever their score. The gate records what we could verify; it is not a finding of a quality or safety problem.

Show 24 vendors that fail the testing gate
Selank vendors that fail the testing gate, by PSR score
#VendorPSR scoreSelank certificate
1Modified Aminos6.75FairView (opens in new tab)
2Curo6.27FairView (opens in new tab)
3Amino Amigos5.62FairVerified (opens in new tab)
4Swiss Chems5.39WeakNoneNo third-party COA was publicly available at audit time
5Peptide Warehouse5.01WeakVendor report (lab not established) (opens in new tab)
6Redline Bio Labs4.80WeakVendor report (lab not established) (opens in new tab)
7Vyal Labs4.70WeakView (opens in new tab)
8Based Research4.54WeakVerified (opens in new tab)
9GenX Bio4.45WeakLogin-gatedCOAs are provided but sit behind the vendor's login wall
10PSPeptides3.95PoorVendor report (lab not established) (opens in new tab)
11Peptide Labs3.77PoorLogin-gatedCOAs are provided but sit behind the vendor's login wall
12BioInfinity3.70PoorVendor report (lab not established) (opens in new tab)
13Lotus Peptide3.68PoorNoneNo third-party COA was publicly available at audit time
14Nextday Peptides3.27PoorNoneNo third-party COA was publicly available at audit time
15RapidCore Bio3.25PoorNoneNo third-party COA was publicly available at audit time
16Drexa Labs3.23PoorNoneNo third-party COA was publicly available at audit time
17YourFitnessPeptides2.75PoorNoneNo third-party COA was publicly available at audit time
18Anhydrolabs2.67PoorNoneNo third-party COA was publicly available at audit time
19Stack Research2.51PoorView COA (differs from lab copy) (opens in new tab)
20Peptide Warehouse US2.46PoorNoneNo third-party COA was publicly available at audit time
21Peptara Labs2.38PoorVendor report (lab not established) (opens in new tab)
22PepBiotics2.23PoorNoneNo third-party COA was publicly available at audit time
23Welon Peptide Solutions2.13PoorNoneNo third-party COA was publicly available at audit time
24Medura Peptides1.63PoorNoneNo third-party COA was publicly available at audit time

Best Selank vendors: frequently asked questions

Who is the best Selank vendor?

By PSR score, Southern Aminos is the highest-rated open store carrying Selank that passes our testing gate (8.09/10, Strong). Amino Club (8.02) and DAAVY Research (8.01) follow. The certificate each of them posts for Selank is shown beside the score, so a reader can check it before buying.

Where can I buy Selank with a discount code?

15 affiliate partners carrying Selank pass our testing gate and give readers a code that applies to it. The highest rated is DAAVY Research (code PSR10, 10% off). We may earn a commission on those links; it never changes a score or a rank.

How are these Selank vendors ranked?

By PSR score, the published vendor score out of 10, built from lab testing, certificate verification, pricing, shipping, operating history and reviews under the rules on How We Rate. Equal scores are listed alphabetically. Price per mg and the certificate for Selank are shown but do not change the order, and affiliate status never does.

Why are some Selank vendors listed separately?

24 vendors carrying Selank do not meet our testing gate: third-party testing could not be established or independently verified. They are listed below the ranking rather than in it. The gate records what we could verify; it is not a finding of a quality or safety problem.

How do I check a Selank certificate of analysis?

Open the certificate from the vendor's row, confirm it names Selank and a batch, then look up the verification key on the testing laboratory's own site. 44 of the 80 Selank certificates we track were confirmed at the lab. Our guide on how to read a peptide COA walks through each field. For laboratory research use only.

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